Patents by Inventor Andrea M. A. Pfeifer

Andrea M. A. Pfeifer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7588781
    Abstract: A primary composition that includes at least one lipophilic bioactive compound and a whey protein in an amount effective to increase the bioavailability of the lipophilic bioactive compound, and methods of forming the same. Also, an oral composition that contains the primary composition in a foodstuff, in a food supplement, in a cosmetic preparation or in a pharmaceutical preparation, and methods of forming the same.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: September 15, 2009
    Assignee: Nestec S.A.
    Inventors: Karlheinz Bortlik, Francoise Saucy, Eliane Duruz, Myriam Richelle, Pierre Lambelet, Markus Baur, Andrea M. A. Pfeifer
  • Publication number: 20090123542
    Abstract: The invention relates to a primary composition in which at least one lipophilic bioactive compound is mixed with a whey protein, present in an amount effective to increase the bioavailability of the lipophilic bioactive compound. The invention also relates to an oral composition that contains the primary composition in a foodstuff, in a food supplement, or in a pharmaceutical preparation, and to a cosmetic preparation that contains the primary composition. Methods for increasing the bioavailability of the lipophilic bioactive compound and providing increased photostability and oxidation resistance are also provided.
    Type: Application
    Filed: January 14, 2009
    Publication date: May 14, 2009
    Applicant: NESTEC S.A.
    Inventors: Karlheinz Bortlik, Francoise Saucy, Eliane Duruz, Myriam Richelle, Pierre Lambelet, Markus Baur, Andrea M.A. Pfeifer
  • Patent number: 6949381
    Abstract: The present invention relates to improved continuous (immortalized) cell lines, in particular keratinocytes and melanocytes derived from normal human skin tissue. The present invention also relates to novel serum-free media for isolating, producing and maintaining said improved continuous keratinocyte and melanocyte cell lines. The present invention also relates to methods for producing primary melanocytes and keratinocytes under serum-free conditions without any feeder cells.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: September 27, 2005
    Assignee: Nestec S.A.
    Inventors: Markus Baur, Catherine Mace, Armand Malnoe, Andrea M. A. Pfeifer, Marcelle Regnier
  • Publication number: 20020107292
    Abstract: A primary composition that includes at least one lipophilic bioactive compound and a whey protein in an amount effective to increase the bioavailability of the lipophilic bioactive compound, and methods of forming the same. Also, an oral composition that contains the primary composition in a foodstuff, in a food supplement, in a cosmetic preparation or in a pharmaceutical preparation, and methods of forming the same.
    Type: Application
    Filed: January 25, 2002
    Publication date: August 8, 2002
    Inventors: Karlheinz Bortlik, Francoise Saucy, Eliane Duruz, Myriam Richelle, Pierre Lambelet, Markus Baur, Andrea M.A. Pfeifer
  • Patent number: 6423540
    Abstract: The present invention relates to improved continuous (immortalized) cell lines, in particular keratinocytes and melanocytes derived from normal human skin tissue. The present invention also relates to novel serum-free media for isolating, producing and maintaining said improved continuous keratinocyte and melanocyte cell lines. The present invention also relates to methods for producing primary melanocytes and keratinocytes under serum-free conditions without any feeder cells.
    Type: Grant
    Filed: June 19, 1998
    Date of Patent: July 23, 2002
    Assignee: Nestec S.A.
    Inventors: Markus Baur, Catherine Mace, Armand Malnoe, Andrea M. A. Pfeifer, Marcelle Regnier
  • Patent number: 6399124
    Abstract: Frozen dessert based on an ice cream containing lactic acid bacteria, the said ice cream being coated over all or part of its surface with, and/or placed in, and/or between, an edible support, characterized in that the support is substantially free of lactic acid bacteria, and in that it comprises fermentable fibers specifically promoting the growth, in the intestinal tract, of the lactic acid bacteria contained initially in the ice cream. The invention also relates to the combined use of lactic acid bacteria and prebiotic fibers, for the preparation of a frozen composition in which the lactic acid bacteria and the fibers are not substantially in contact, for the treatment and/or the prevention of gastrointestinal disorders, for strengthening the human immune system, or for increasing the absorption of minerals.
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: June 4, 2002
    Assignee: Nestec SA
    Inventors: Corinne Lesens, Andrea M. Pfeifer, Florence Rochat
  • Publication number: 20020042129
    Abstract: The present invention relates to improved continuous (immortalized) cell lines, in particular keratinocytes and melanocytes derived from normal human skin tissue. The present invention also relates to novel serum-free media for isolating, producing and maintaining said improved continuous keratinocyte and melanocyte cell lines. The present invention also relates to methods for producing primary melanocytes and keratinocytes under serum-free conditions without any feeder cells.
    Type: Application
    Filed: October 18, 2001
    Publication date: April 11, 2002
    Applicant: NESTEC S.A.
    Inventors: Markus Baur, Catherine Mace, Armand Malnoe, Andrea M., A. Pfeifer, Marcelle Regnier
  • Patent number: 6284537
    Abstract: Immortalized human cornea). epithelial cell line capable of becoming stratified, and capable of expressing (1) metabolic markers specific for non-immortalized human epithelial cells such as vimentin, cytokeratins, connections between the cells, cytochrome P450s, a glutathione-S-transferase, Cu/Zn-superoxide dismutase, glutathione peroxidase, aldehyde reductase and catalase; (2) metabolic differentiation markers specific for non-immortalized human cornea). epithelial cells such as the cytokeratin of 64 kfl, the glutathione-stransferase hGST 5.8, and the profile of cytokines and growth factors comprising the compounds TNF&agr;, IL-1&bgr;, IL-1&agr;, IL-6, IL-8, GM CSF-&bgr;, IL-ra, TGF-&bgr;1, TGF-&bgr;2, TGF&agr;, EGF, PDGF-&bgr;; (3) and markers specific for an inflammatory reaction such as collagenase I, the bradykinin, histamine and PAF receptors, and the system for transduction of an inflammatory signal by the phosphoinositides.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: September 4, 2001
    Assignee: Nestec S.A.
    Inventors: Elizabeth Offord Cavin, Andrea M. A. Pfeifer, Najam A. Sharif, Yvonne Tromvoukis
  • Patent number: 6022568
    Abstract: Use of lactic acid bacteria in the preparation of a cream intended to coat all or part of an ice cream. The ice cream is an expanded and chilled cream, coated over all or part of its external surface with a non-expanded coating containing 10.sup.3 to 10.sup.9 cfu/g of lactic acid bacteria. Preferably, the expanded cream includes more than 10.sup.6 cfu/g of lactic acid bacteria, the ratio (e/g) between the number of lactic acid bacteria in the coating (e) and the number of lactic acid bacteria in the expanded cream (g) being greater than 1. The coating may include 1% to 70% of a milk fermented by lactic acid bacteria, 0.5% to 5% of animal or vegetable proteins, a lactic fat content of from 2% to 20% and preferably the strain Lactobacillus acidophilus CNCM I-1225.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: February 8, 2000
    Assignee: Nestec, S.A.
    Inventors: Corinne Lesens, Christian Dufort, Andrea M. A. Pfeifer, Florence Rochat
  • Patent number: 5660986
    Abstract: Non-tumorigenic, stable, human bronchial and liver epithelial cell lines are provided wherein the cell lines are capable of expressing human cytochrome P450 genes which have been inserted into the cell lines. Also provided are methods and kits for identifying potential mutagens, cytotoxins, carcinogens, chemotherapeutic and chemo-preventive agents utilizing these cell lines.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: August 26, 1997
    Inventors: Curtis C. Harris, Harry V. Gelboin, Frank J. Gonzalez, Katharine C. Mace, Andrea M. A. Pfeifer
  • Patent number: 5529920
    Abstract: The present invention relates to long term multiplication and permanent establishment of a cell line of human liver epithelial cells(hepatocytes). The human liver epithelial cell line is capable of mitotically proliferating and continuously growing in vitro under suitable environmental conditions in suitable culture media. A method of producing an immortalized human liver epithelial cell line is also disclosed. The invention also relates to serum-free cell medium developed to support long term multiplication and permanent establishment of a cell line of human liver epithelial cells.
    Type: Grant
    Filed: May 1, 1992
    Date of Patent: June 25, 1996
    Assignee: The United States of America as represented by the Secretary of the Department of Health and Human Services
    Inventors: Katharine H. Cole, John F. Lechner, Roger Reddel, Curtis C. Harris, Andrea M. Pfeifer
  • Patent number: 5506131
    Abstract: Non-tumorigenic, stable, human bronchial and liver epithelial cell lines are provided wherein the cell lines are capable of expressing human cytochrome P450 genes which have been inserted into the cell lines. Also provided are methods and kits for identifying potential mutagens, cytotoxins, carcinogens, chemotherapeutic and chemo-preventive agents utilizing these cell lines.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: April 9, 1996
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Curtis C. Harris, Harry V. Gelboin, Frank J. Gonzalez, Katharine C. Mace, Andrea M. A. Pfeifer
  • Patent number: 5356806
    Abstract: Non-tumorigenic, human bronchial epithelial cell lines are provided wherein the cell lines are capable of expressing cytochrome P450 genes which have been inserted into the cell lines. Also provided are methods and kits for identifying potential mutagens, cytotoxins, carcinogens, and chemotherapeutic agents utilizing these cell lines.
    Type: Grant
    Filed: April 13, 1992
    Date of Patent: October 18, 1994
    Assignees: The United States of America as represented by the Department of Health and Human Services, Nestec, S.A.
    Inventors: Curtis C. Harris, Harry V. Gelboin, Frank J. Gonzalez, Andrea M. A. Pfeifer